23303312143 has 4 divisors (see below), whose sum is σ = 23651122840. Its totient is φ = 22955501448.

The previous prime is 23303312141. The next prime is 23303312167. The reversal of 23303312143 is 34121330332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23303312143 - 2¹ = 23303312141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303312141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173905248 + ... + 173905381.

It is an arithmetic number, because the mean of its divisors is an integer number (5912780710).

Almost surely, 2^23303312143 is an apocalyptic number.

23303312143 is a deficient number, since it is larger than the sum of its proper divisors (347810697).

23303312143 is an equidigital number, since it uses as much as digits as its factorization.

23303312143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347810696.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 23303312143 its reverse (34121330332), we get a palindrome (57424642475).

The spelling of 23303312143 in words is "twenty-three billion, three hundred three million, three hundred twelve thousand, one hundred forty-three".